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configure: Use m4_esyscmd_s to suppress linefeed (fix needed for macOS) (#1401)

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While "echo -n" works on Debian GNU Linux, it fails to produce a valid
configure file on macOS, so try a different shorter solution.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
This commit is contained in:
Stefan Weil 2018-03-18 20:15:14 +01:00 committed by zdenop
parent 64af706f0c
commit 81c47288a2
1 changed files with 1 additions and 1 deletions
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2
configure.ac
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@ -7,7 +7,7 @@
# ----------------------------------------
AC_PREREQ([2.59])
AC_INIT([tesseract],
[m4_esyscmd([echo -n $(test -d .git && git describe --abbrev=4 || cat VERSION)])],
[m4_esyscmd_s([test -d .git && git describe --abbrev=4 || cat VERSION])],
[https://github.com/tesseract-ocr/tesseract/issues],,
[https://github.com/tesseract-ocr/tesseract/])
AC_PROG_CXX([g++ clang++])